A San Jose dryer that tumbles but leaves clothes damp has already given you one useful clue: the drum motor is doing something. It has not proved that the heating system, power supply, gas supply, airflow, sensor, or control is healthy. Start with the setting and the appliance type.
Identify the dryer and cycle
Record the full model number and whether the dryer is electric or gas. Write down the selected cycle, heat setting, and whether the drum turns at a normal speed. Some cycles use little or no heat by design, so the setting matters.
Check that the control accepted the cycle and that any normal status light behaves as expected. If the display is dark or the dryer stopped after a power event, record that history. Do not repeatedly reset a breaker. If it trips again, leave the circuit off and arrange a professional check.
For a gas dryer, do not open the burner area or adjust the gas supply. If you smell gas, turn the appliance off if safe, avoid flames and switches, leave the area if the odor persists, and follow the home’s gas safety procedure.
Check the accessible lint screen and airflow clues
Clean the lint screen using the owner’s normal care method. Look around the appliance for a box, cloth, or other item blocking a visible intake or discharge area. Record whether the dryer has become unusually hot, unusually slow, or simply cold.
Do not treat exhaust duct work as a homeowner repair project. Do not insert tools, remove a rear panel, or dismantle the duct path. A restricted exhaust path and a failed heating component can create related symptoms, and a technician needs to inspect the complete safe path.
If there is a burning smell, smoke, or a hot electrical odor, stop the cycle and keep the area clear. Do not run another load to see whether the smell goes away.
Observe the heat symptom
Note whether the dryer never produces warmth, produces warmth briefly, or heats only on one cycle. Record whether the drum stops, the timer advances, and the clothes remain cold or simply take longer than normal.
A dryer can tumble with one part of its power or control path working while the heating circuit is not. A gas appliance can tumble while ignition or flame sensing is not operating. An airflow condition can also affect the heat cycle. The observation does not identify an element, igniter, thermal cutoff, sensor, or board.
Do not touch the exhaust or interior metal to test heat. Do not open the cabinet or test voltage. Keep the lint screen and load away from the floor and keep the area around the appliance clear.
Separate heat from airflow
The dryer’s heat complaint and its exhaust condition can influence one another, but they are not the same observation. Record whether the clothes are cold from the first part of the cycle or whether they begin warm and then become damp. Note whether the drum, timer, display, and normal airflow sound remain unchanged.
Do not use a hand inside the exhaust path to judge temperature. Do not run the dryer with the lint screen removed, with a panel open, or with a temporary hose arrangement. Do not turn a no-heat article into a duct-cleaning project. The safe owner checks are the normal cycle, accessible lint care, visible clearance, and a clear record.
If the dryer is gas, an ignition and flame-sensing sequence may need testing. If it is electric, a power and heating circuit may need testing. Both paths can leave the drum turning. That is why the model and dryer type belong at the top of the service request.
Keep the heat history precise
Write whether the dryer never warms, warms briefly, or heats only on one cycle. Note whether the timer advances, whether the drum turns normally, and whether the clothes are cold from the start or simply take longer than usual. These are different observations even though the result is damp laundry.
Add any recent move, repair, breaker event, gas interruption, or cleaning. Do not run repeated loads to see whether the heat returns. If the dryer smells hot, electrical, or of gas, leave it off and follow the appropriate household safety procedure.
Note what is normal
If the drum turns, the timer advances, and the display responds, include those facts. A dryer can have a normal motor function while the heat path needs testing. Also say whether the load is small or full and whether the result is the same on more than one normal cycle.
Prepare the San Jose service record
Have the model number, dryer type, cycle and heat setting, last normal load, recent move or repair, breaker or gas history, and any smell or noise ready. A short note about whether the drum turns and the timer advances is useful.
No repair price by phone; diagnose first, then quote. The $99 diagnostic, credited toward an approved repair, allows the technician to separate power, heating, airflow, and control evidence. Written estimate after diagnosis, before repair work.
The appliance services hub explains the service categories. The FAQ covers diagnosis and estimates, and the contact page is useful for sending the model and no-heat timeline.
The service area is a 56-city service area, excluding Marin County. For a San Jose dryer that still runs without heat after safe checks, the next step is a $99 diagnostic, credited toward an approved repair.